The Dinan 18-23 BMW M5 St-1 Coil-Over Suspension is a high-performance suspension upgrade designed to enhance handling and adjustability. It retains the factory electronic shocks while replacing the springs with more aggressive formulas and adding threaded collars for ride height adjustment. The kit features a linear rate spring design in the rear for predictable performance and increased compliance, reducing body roll and improving overall stability. The combination of springs, progressive bump stops, and additional components allows for increased travel and a lowered stance, with the ability to lower the vehicle by up to two inches in the front and 2-1/8 inches in the rear. Dinan’s design ensures a balance between aggressive handling and ride quality, making it suitable for enthusiasts seeking both performance and comfort.

This coil-over suspension is compatible with 2018-2023 BMW M5 models and is intended for street and spirited driving. It is a bolt-on upgrade that maintains the factory electronic shocks while allowing for ride height customization. The kit includes threaded collars for fine-tuning the ride height and bump stop components to adjust handling characteristics. Recommended for those looking to improve cornering, reduce body roll, and achieve a sleek lowered appearance, this suspension system is ideal for performance-oriented street driving and track days. Proper installation requires basic mechanical skills, and the kit is designed to serve as a direct replacement for the factory suspension components.